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LM2672 Datasheet(PDF) 21 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No. de pieza LM2672
Descripción Electrónicos  SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features
PDF  25 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2672 Datasheet(HTML) 21 Page - National Semiconductor (TI)

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LM2672 Series Buck Regulator Design Procedure (Adjustable Output)
(Continued)
Output Capacitor
Cap.
Ref.
Desg.
#
Surface Mount
Through Hole
Sprague
AVX TPS
Sanyo OS-CON
Sanyo MV-GX
Nichicon
Panasonic
594D Series
Series
SA Series
Series
PL Series
HFQ Series
(µF/V)
(µF/V)
(µF/V)
(µF/V)
(µF/V)
(µF/V)
C1
120/6.3
100/10
100/10
220/35
220/35
220/35
C2
120/6.3
100/10
100/10
150/35
150/35
150/35
C3
120/6.3
100/10
100/35
120/35
120/35
120/35
C4
68/10
100/10
68/10
220/35
220/35
220/35
C5
100/16
100/10
100/10
150/35
150/35
150/35
C6
100/16
100/10
100/10
120/35
120/35
120/35
C7
68/10
100/10
68/10
150/35
150/35
150/35
C8
100/16
100/10
100/10
330/35
330/35
330/35
C9
100/16
100/16
100/16
330/35
330/35
330/35
C10
100/16
100/16
68/16
220/35
220/35
220/35
C11
100/16
100/16
68/16
150/35
150/35
150/35
C12
100/16
100/16
68/16
120/35
120/35
120/35
C13
100/16
100/16
100/16
120/35
120/35
120/35
C14
100/16
100/16
100/16
220/35
220/35
220/35
C15
47/20
68/20
47/20
220/35
220/35
220/35
C16
47/20
68/20
47/20
150/35
150/35
150/35
C17
47/20
68/20
47/20
120/35
120/35
120/35
C18
68/25
(2x) 33/25
47/25 (Note 8)
220/35
220/35
220/35
C19
33/25
33/25
33/25 (Note 8)
150/35
150/35
150/35
C20
33/25
33/25
33/25 (Note 8)
120/35
120/35
120/35
C21
33/35
(2x) 22/25
(Note 9)
150/35
150/35
150/35
C22
33/35
22/35
(Note 9)
120/35
120/35
120/35
C23
(Note 9)
(Note 9)
(Note 9)
220/50
100/50
120/50
C24
(Note 9)
(Note 9)
(Note 9)
150/50
100/50
120/50
C25
(Note 9)
(Note 9)
(Note 9)
150/50
82/50
82/50
Note 8: The SC series of Os-Con capacitors (others are SA series)
Note 9: The voltage ratings of the surface mount tantalum chip and Os-Con capacitors are too low to work at these voltages.
FIGURE 17. Output Capacitor Selection Table
www.national.com
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